Hans Werner August Rzeppa, German-born Brazilian chemist and entrepneur (Breslau, Germany 11 June 1916 – São Paulo 21 August 1998)

Invented lyophilization process employed to preparing anti-snake venom serum  

SOME BIBLIOGRAPHY

With Th. Wagner-Jauregg. Hemmung glykolytischer systeme durch Schwermetalle und Wiederaufhelring der Henmung. Zeitsch. f. Physiol. Chemie 243:166-72, 1936

With R. Kuhn & H. Vetter. Zur spezifitat des Lactoflavins: Ersatz der methylgruppen durch den tetramethylen. Ber. Deut. Chem. Ges. 70:1302-14, 1937

With G. Rosenfeld, L. Nahas & S. Schenberg. Hemolysis and blood concentration of sulfones in vitro. Mem. Inst. Butantan 24(2):69-76, 1952

With F.A. Berti, L.M. Zilti et al. Chemotherapy of leprosy. II. Compounds structurally related to 4,4 diaminediphenylsulfone. Chemical Studies. Rev. Bras. Leprol. 20:104-115, 1952 

With G. Rosenfeld. Neutralização cruzada da atividade proteolitica de venenos ofídicos com nome antivenenos. Cien. Cult. 17:267, 1954

With L. Nahas & L. de Souza Lima. Blood Picture in sulfone treatment of leprosy. Relation with the dose and blood concentration of the drugs. Int. J. Leprol. 22(1):22-30, 1954

With G. Rosenfeld. Estudos de hemoglobinas A,S, D e F em duas famílias da raça brancacom anemia drepanocítica (falciforme). Cien. Cult. p.111, 1960  

With G. Rosenfeld, E.M.A. Kelen & C.U. Junqueira. Atividade fibrinolítica de extrato de glândula submaxilar de morcego hematófago (Desmodus rotundus). Cien. Cult. 76:206-7, 1964   

With L. Nahas, A.S. Kamiguti et al. Effect of heparin on the coagulant action of snake venoms. Toxicon 13:457-63, 1975

With G. Rosenfeld, E.M.A. Kelen & L.D. Vizotto. Observações sobre a ação anticoagulante da glândula salivar de sanguessuga (Haementeria brasiliensis). 9^th Congr. Bras. Soc. Hemat. Hemot.